18726876

素因数分解:

$2^2\times 3^4\times 7^1\times {\mathrm{23}}^1\times {\mathrm{359}}^1$

素因数の和:405

約数の個数: 120

約数和(自身を含む): 58544640

約数和(自身を除く): 39817764

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 23, 27, 28, 36, 42, 46, 54, 63, 69, 81, 84, 92, 108, 126, 138, 161, 162, 189, 207, 252, 276, 322, 324, 359, 378, 414, 483, 567, 621, 644, 718, 756, 828, 966, 1077, 1134, 1242, 1436, 1449, 1863, 1932, 2154, 2268, 2484, 2513, 2898, 3231, 3726, 4308, 4347, 5026, 5796, 6462, 7452, 7539, 8257, 8694, 9693, 10052, 12924, 13041, 15078, 16514, 17388, 19386, 22617, 24771, 26082, 29079, 30156, 33028, 38772, 45234, 49542, 52164, 57799, 58158, 67851, 74313, 90468, 99084, 115598, 116316, 135702, 148626, 173397, 203553, 222939, 231196, 271404, 297252, 346794, 407106, 445878, 520191, 668817, 693588, 814212, 891756, 1040382, 1337634, 1560573, 2080764, 2675268, 3121146, 4681719, 6242292, 9363438, 18726876]

約数ペア:

[(1, 18726876), (2, 9363438), (3, 6242292), (4, 4681719), (6, 3121146), (7, 2675268), (9, 2080764), (12, 1560573), (14, 1337634), (18, 1040382), (21, 891756), (23, 814212), (27, 693588), (28, 668817), (36, 520191), (42, 445878), (46, 407106), (54, 346794), (63, 297252), (69, 271404), (81, 231196), (84, 222939), (92, 203553), (108, 173397), (126, 148626), (138, 135702), (161, 116316), (162, 115598), (189, 99084), (207, 90468), (252, 74313), (276, 67851), (322, 58158), (324, 57799), (359, 52164), (378, 49542), (414, 45234), (483, 38772), (567, 33028), (621, 30156), (644, 29079), (718, 26082), (756, 24771), (828, 22617), (966, 19386), (1077, 17388), (1134, 16514), (1242, 15078), (1436, 13041), (1449, 12924), (1863, 10052), (1932, 9693), (2154, 8694), (2268, 8257), (2484, 7539), (2513, 7452), (2898, 6462), (3231, 5796), (3726, 5026), (4308, 4347)]